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Finding the Third Proportional to 77,764 and 170,593

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Solution

The third proportional to 77,764 and 170,593 is: 374,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,764 : 170,593 = 170,593 : x
  2. Step 2: Convert to fraction form
    77,764/170,593 = 170,593/x
  3. Step 3: Cross multiply
    77,764x = 170,593 × 170,593
  4. Step 4: Simplify right side
    77,764x = 29,101,971,649
  5. Step 5: Solve for x
    x = 29,101,971,649/77,764
  6. Step 6: Final answer
    x = 374,234.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.